Messages in this thread Patch in this message | | | Subject | [PATCH] 2.4.18 Eicon ISDN driver fix. | From | petter wahlman <> | Date | 26 Feb 2002 20:26:18 +0100 |
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The following code is calling a possibly blocking operation while holding a spinlock.
Petter Wahlman
--- linux-2.4.18/drivers/isdn/eicon/eicon_mod.c Fri Dec 21 18:41:54 2001 +++ linux-2.4.18-pw/drivers/isdn/eicon/eicon_mod.c Mon Feb 25 23:45:05 2002 @@ -665,8 +665,11 @@ else cnt = skb->len;
- if (user) + if (user) { + spin_unlock_irqrestore(&eicon_lock, flags); copy_to_user(p, skb->data, cnt); + spin_lock_irqsave(&eicon_lock, flags); + } else memcpy(p, skb->data, cnt);
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